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I know of course that there is much more about Ethereum being a smart contract platform. I only refer to the characteristics of a cryptocurrency. If Ether is used for plain payment purposes similar to Bitcoin, it should be faster with no block size limitations. Let alone the speed (8-17s) is much better for payment purposes. I wonder if there is anything that's still better in Bitcoin, besides maybe the market capitalization that gives is robustness as a payment platform.
Why would Bitcoin remain a payment choice in the long run if it can't have the speed of most recent technologies? Is there any technological advantage Bitcoin still holds over Ether?